Speed of sound

Speed of sound (1,236 km/h)

/fact/speed-of-sound

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If Speed of sound (1,236 km/h) was a standard unit ...

World Land Speed record (1,228 km/h)...more would be about as big as Speed of sound
Fastest speed attained by a wind-powered watercraft (121.2 km/h)...more would be 1/10 of Speed of sound
Top speed of a Blue Whale (50 km/h)...more would be 1/25 of Speed of sound
Comfortable walking speed (5 km/h)...more would be 1/250 of Speed of sound