My Rigidbody FPS controller is falling very slow, please help!

Questions & Answers
1

My movement script:

How it looks for me: [1]
BTW, my gravity is set to -19,62.

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
float playerHeight = 2f;

[SerializeField] Transform orientation;

[Header("Movement")]
[SerializeField] float moveSpeed = 6f;
[SerializeField] float airMultiplier = 0.4f;
float movementMultiplier = 10f;

[Header("Sprinting")]
[SerializeField] float walkSpeed = 8f;
[SerializeField] float sprintSpeed = 10f;
[SerializeField] float acceleration = 10f;

[Header("Jumping")]
public float jumpForce = 10f;

[Header("Keybinds")]
[SerializeField] KeyCode jumpKey = KeyCode.Space;
[SerializeField] KeyCode sprintKey = KeyCode.LeftShift;

[Header("Drag")]
[SerializeField] float groundDrag = 6f;
[SerializeField] float airDrag = 0f;

float horizontalMovement;
float verticalMovement;

[Header("Ground Detection")]
[SerializeField] Transform groundCheck;
[SerializeField] LayerMask groundMask;
[SerializeField] float groundDistance = 0.2f;
public bool isGrounded { get; private set; }

Vector3 moveDirection;
Vector3 slopeMoveDirection;

Rigidbody rb;

RaycastHit slopeHit;

private bool OnSlope()
{
    if (Physics.Raycast(transform.position, Vector3.down, out slopeHit, playerHeight / 2 + 0.5f))
    {
        if (slopeHit.normal != Vector3.up)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    return false;
}

private void Start()
{
    rb = GetComponent<Rigidbody>();
    rb.freezeRotation = true;
}

private void Update()
{
    isGrounded = Physics.CheckSphere(groundCheck.position, groundDistance, groundMask);

    MyInput();
    ControlDrag();
    ControlSpeed();

    if (Input.GetKeyDown(jumpKey) && isGrounded)
    {
        Jump();
    }

    slopeMoveDirection = Vector3.ProjectOnPlane(moveDirection, slopeHit.normal);
}

void MyInput()
{
    horizontalMovement = Input.GetAxisRaw("Horizontal");
    verticalMovement = Input.GetAxisRaw("Vertical");

    moveDirection = orientation.forward * verticalMovement + orientation.right * horizontalMovement;
}

void Jump()
{
    if (isGrounded)
    {
        rb.velocity = new Vector3(rb.velocity.x, 0, rb.velocity.z);
        rb.AddForce(transform.up * jumpForce, ForceMode.Impulse);
    }
}

void ControlSpeed()
{
    if (Input.GetKey(sprintKey) && isGrounded)
    {
        moveSpeed = Mathf.Lerp(moveSpeed, sprintSpeed, acceleration * Time.deltaTime);
    }
    else
    {
        moveSpeed = Mathf.Lerp(moveSpeed, walkSpeed, acceleration * Time.deltaTime);
    }
}

void ControlDrag()
{
    if (isGrounded)
    {
        rb.drag = groundDrag;
    }
    else
    {
        rb.drag = airDrag;
    }
}

private void FixedUpdate()
{
    MovePlayer();
}

void MovePlayer()
{
    if (isGrounded && !OnSlope())
    {
        rb.AddForce(moveDirection.normalized * moveSpeed * movementMultiplier, ForceMode.Acceleration);
    }
    else if (isGrounded && OnSlope())
    {
        rb.AddForce(slopeMoveDirection.normalized * moveSpeed * movementMultiplier, ForceMode.Acceleration);
    }
    else if (!isGrounded)
    {
        rb.AddForce(moveDirection.normalized * moveSpeed * movementMultiplier * airMultiplier, ForceMode.Acceleration);
    }
}

}

2

you are setting your air drag to 2f, thats pretty high. try 0.01f and go up from there

3

In the settings of your Rigidbody, you set the Drag equal to 2. In fact, this slows down the fall. Set it to zero and the drop will be faster.