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Walking person
1.5 m/s
Running person
3-5 m/s
Cyclist
6-10 m/s
Car (city driving)
13 m/s - 30mph
Car (motorway)
30 m/s ( 70 mph )
Train
50 m/s
Commercial airplane
250 m/s (900 km/h )
Speed of sound - air
340 m/s