SpeedrooHow fast did Alan Shepard fly on the first US spaceflight?
5,180 mphAbout 8,336 km/h · Jet
5,180 mph (8,340 km/h) on his 15-minute flight in 1961.
That's about 150 times a red kangaroo's top speed of about 35 mph (56 km/h).
🚀5,180 mph
✈️a cruising 737
By speed: Alan Shepard's flight is about 9.9× faster than a cruising 737.
Things about as fast
- How fast does the Sun spin at its equator?4,467 mph
- How fast was the X-15 rocket plane?4,520 mph
- How fast does Phobos orbit Mars?4,787 mph
- What is the Moon's escape velocity?5,324 mph
- How fast does an earthquake rupture spread along a fault?5,592 mph
- How fast does Uranus spin at its equator?5,791 mph
- How fast does Neptune spin at its equator?5,996 mph
- How fast is the rocket sled speed record?6,416 mph
Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].