World Land Speed record - human powered

World Land Speed record - human powered (144 km/h)

/fact/world-land-speed-record-human-powered

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World Land Speed record - human powered (144 km/h)

is 1/50 of Fastest speed attained by a manned rocket aircraft (7,270 km/h)...more
is 1/25 of Fastest speed attained by a jet aircraft (3,530 km/h)...more
is 1/4 of Fastest speed attained by a wheeled train (575 km/h)...more
is 1/4 of Top speed of a France's Train de Grande Vitesse (TGV) (570 km/h)...more
is 2 x Top speed of an African Wild Dog (72.5 km/h)...more
is 2 x Top speed of an elk (72.4 km/h)...more
is 2 x Top speed of a kangaroo (71 km/h)...more

If this was a standard unit ...