Question:

A roller coaster car rapidly picks up speed as it rolls down

Last updated: 7/31/2022

A roller coaster car rapidly picks up speed as it rolls down

A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its speed is 4 m/s. But 4 seconds later, at the bottom of the slope, its speed is 24 m/s. What is its average acceleration?