Is a roller coaster moving downhill is a potential or kinetic energy?

Hey there I see you need help well I am here to do just that, so your answer would be kinetic energy because potential energy is when her is sitting on the top of the hill so the correct answer is :Kinetic Energy 

Hope this helps if so why not hit that brainllest answer button ;)

The answer is: 6.3mi got it right

Answermuscle strength;