Trying to make a fall that work like Metal Gear Solid

Questions & Answers
1

So I have this code that has its check and makes me fall. My question is hold can I make it so I fall down in a straight line without there being momentum. This is the code I use for falling.

///////////////////////////////////////////////////////////////////
private void HandleFallingAndLanding()
{
RaycastHit hit;
Vector3 rayCastOrigin = transform.position;
rayCastOrigin.y = rayCastOrigin.y + rayCastHeightOffSet;

if (!isGrounded)
{

    if (!playerManager.isInteracting)
    {
        
        animatorManager.PlayTargetAnimation("FALLING", true);
    }

    inAirTimer = inAirTimer + Time.deltaTime;
    playerRigidbody.AddForce(Vector3.down * fallingSpeed * inAirTimer);
}

if (Physics.SphereCast(rayCastOrigin, 0.2f, Vector3.down, out hit, maxDistance, groundLayer))
{
    if (!isGrounded && playerManager.isInteracting)
    {
        animatorManager.PlayTargetAnimation("LANDING", true);
    }

    inAirTimer = 0;
    isGrounded = true;
}
else
{
    isGrounded = false;
}

}
///////////////////////////////////////////////////////////////////
I keep the momentum but instead I want to fall down in a straight line. Any help or suggestions?