A rocket sled is a test platform that slides along a track, propelled by rockets.
Lt. Col. John P. Stapp rides the rocket sled at Edwards Air Force Base
Sonic Wind No 1. This rocket sled was ridden by John Paul Stapp in the 1950s.
The vehicle that achieved Mach 8.5
The Holloman Air Force Base track
A rocket car is a land vehicle propelled by a rocket engine. A rocket dragster is a rocket car used for competing in drag racing, and this type holds the unofficial world record for the 1/4 mile.
Opel RAK.2 rocket car
Opel RAK.1 - World's first public flight of a manned rocket-powered plane on September 30, 1929
Opel Rak.6 rocket car