The newly founded ride company, Emray is currently working to achieve this. They hope to open one by 2021.
The smallest roller coaster at Cedar Point is Wilderness Run. It is a kiddie roller coaster that is only 19 feet tall and goes 6 mph.
25 mph
15 mph
The first roller coaster was Switchback Railway, opened in 1884, going only 6 mph.
The tallest roller coaster is Kingda Ka, 128 mph @ Six Flags Great Adventure.
60 mph.
61 mph
35 mph
55 MPH
Son of beast is 78 MPH
150 mph is how fast it goes
Some roller coaster rides can go faster than the average speed of cars. The fastest roller coaster ride in the world is the Formula Rossa in the UAE. It goes 149 mph.