Ice Skatting Problem

Unity Engine
1

I’m creating Skatting 2D game

Now playing with X,Y axis. My problem is i want a ball to slide down from hill along with ice way and slide down faster as long as the ball is still on the ice plane
.
I have tried to change velocity of the ball when it touch the ice plane but it go only one axis or sometimes it goes to the sky

here is my code

public bool isGround;

         void Update () 
	{
	    if(isGround)
		{
		   //transform.rigidbody.velocity = transform.rigidbody.velocity * Time.deltaTime;
			//rigidbody.AddForce(new Vector3(3,0,0),ForceMode.VelocityChange);
                     rigidbody.AddForce(new Vector3(3,3,0),ForceMode.VelocityChange);
		}
		
	}
	
	void OnColliderEnter(Collider other)
	{
	   if(other.transform.CompareTag("BoxArea"))	
		{Physics.IgnoreCollision(transform.collider,other);}
	   
	}
	
	void OnCollisionEnter(Collision other)
	{
	    if(other.transform.CompareTag("IcePlane"))
		  {
			isGround = true;
		  } 
	}
2

Anyone???

3

probably don’t have enough gravity to achieve this. Why not try increasing gravity or using some addforce on your object?