A gravity racer is a motorless vehicle capable of holding a driver (usually a child) built for the purpose of racing or recreation. They are propelled by gravity and can achieve speeds upwards of 112 km/h (70 miles per hour).
Read more about Gravity Racer: Gravity Racer Cars, Construction, History of Gravity Racer Races, Physics Considerations
Famous quotes containing the word gravity:
“Grown beyond nature now, soft food for worms,
They lift frail heads in gravity and good faith.”
—Derek Mahon (b. 1941)