In the beginning of the movie in her vision, the guy with the camcorder was filming on the ride and the camecorder fell and wrapped around the tracks. Well if he got off the coaster then how did it still crash? The hydrolics wouldnt have been cut, they would have leaked and how did the car fall off if he got off?
This is true, but the hydrolics line was cut when they tightened on Lewis's seat. In the vision you see it start to leak, but the camera is what threw the coaster off the tracks, so it is true it more and likely wouldn't have came off the tracks without Frankie on there.