Speed of Concorde passenger SST

Speed of Concorde passenger SST (2,140 km/h)

/fact/speed-of-concorde-passenger-sst

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Neat Ratios ...

Speed of Concorde passenger SST (2,140 km/h)

is 1/50 of Speed of Earth's rotation around the Sun (107,000 km/h)...more
is 2.5 x Fastest speed attained by a propeller aircraft (870 km/h)...more
is 20 x Top speed of a Mallard duck in flight (105 km/h)...more
is 100 x Top speed of a California Sea Lion swimming (21.6 km/h)...more
is 100 x Top speed of a Komodo dragon (21 km/h)...more

If this was a standard unit ...