This is one of those videos that you will absolutely need to see to believe.
Posted by LSAuto back in 2011, it starts off with a seemingly normal test run of a "tether car streamliner" on a miniature racetrack in Whittier Narrows, Calif.
The keyword is "seemingly normal."
Keep watching, specifically for the speed clock that comes into frame starting at about 28 seconds. This 'toy car' isn't playing around!
Via Top Gear