Question

Sketch a graph of the instantaneous acceleration vs. time graph you expect for the cart as it rolls up and then back down the track after an initial push.

A proposed ride at the Valley Fair amusement park launches a roller coaster car up an inclined track. Near the top of the track, the car reverses direction and rolls backwards into the station. As a member of the safety committee, you have been asked to describe the acceleration of the car throughout the ride.