I saw another rollercoaster video here but it was going forwards which disrupted the illusion. So here is a backwards going rollercoaster background for you and your classmates.
VR 360 Theme Park Round Up Spin Ride Roller Coaster
Fast rollercoaster ride moving along a loop
1,279 Looping Roller Coaster Stock Video Footage - 4K and HD Video Clips | Shutterstock