Why does the distance traveled by the ball in each half second after it is released change in the way that it does?

Question

A.Gravity is pulling down on the ball, so it accelerates down at a steady rate.

B.The incline plane pushes up on the ball, so it accelerates down at a steady rate.

C.Gravity is pulling down on the ball, so it moves down at a steady speed.

Please help

Answer 1

A.Gravity is pulling down on the ball, so it accelerates down at a steady rate.