How fast is sound at airliner cruising height?
1,062 km/hAbout 660 mph · Jet
In the cold air about 11 km up, sound travels only about 295 m a second.
That's about 19 times a red kangaroo's top speed (56 km/h).
🔊1,062 km/h
🚗La Jamais Contente
By speed: sound up high is about 10× faster than La Jamais Contente.
Things about as fast
- How fast does a Boeing 747 fly?900 km/h
- How fast are Uranus's winds?900 km/h
- How fast was Bloodhound LSR?1,010 km/h
- How fast was Thrust2?1,019.47 km/h
- How fast does London move as Earth spins?1,042 km/h
- How fast did Chuck Yeager fly to break the sound barrier?1,127 km/h
- How fast was ThrustSSC?1,227.98 km/h
- How fast is the speed of sound?1,235 km/h
Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].