Problem: A 54.0-g Super Ball traveling at 29.0 m/s bounces off a brick wall and rebounds at 18.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 4.00 ms,
A- What is the magnitude of the average acceleration of the ball during this time interval?
It'd be really helpful if you could show all steps of your work.