What's the speed of the world's fastest roller coaster?

Q: What's the name of the world's fastest roller coaster? Where is it located? How fast does it go?

A: No longer the Kingda Ka at Six Flags Great Adventure in New Jersey, which had been the world’s fastest roller coaster since it opened in 2005.

The Ring Racer, a Formula 1-themed thrill ride that goes 134.8 miles per hour, is set to open in July 2009. It is faster than Kindga Ka by 6.8 miles per hour.

ring°racer is a Formula 1-themed roller coaster located at the Nürburgring race course in Germany. It features a pneumatic launch. The roller coaster accelerates from 0 to 134.8 miles per hour (217km/h) in 2.5 seconds.