Question

A roller coaster track is 3,000 meters long. It takes 100 seconds totravel once around the roller coaster. What is the average speedof the roller coaster? Is the velocity constant throughout the trip?Explain. Ty for helping

Answer 1

The spped is: 
v=d/t
or, v=3000m/100s
or, v= 30m/s

the velocity is not constant as the roller coaster keeps changing direction, it is not constant

Answer 2

The rollercoaster went 200 miles.