Top Speed of the Planet Neptune
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19,692 km/h
The top speed (orbital velocity) of the planet Neptune is 19,692 km/h (12,238 mph). It's average velocity is 19,620 km/h (12,193 mph).
Latest Top Speed Facts and Figures
Top Speed Of Robinson R44 Helicopter
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240 km/h
Top speed of Robinson R44 helicopter is 240 km/h (150 mph). It has a cruising speed is 202 km/h.
Top Speed of a Dragonfly
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54 km/h
Dragonfly is considered a very Fast flying insect, which can reach a flight speed of up to 54 km/h (34 mph). Their normal flight speed is 16 km/h (9.9 mph).
Top Speed of a Polar Bear
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40 km/h
Top speed of a polar bear is about 40 km/h (25 mph).
Top Speed of a Human Being
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34.30 - 37.57 Km/h
Top speed of the fastest human being is 34.30 km/hr to 37.57 Km/h ( 21.32 - 23.35mph). Their average speed is 8 Km/h (5.0 mph) to 9.5 Km/h (5.9 mph).
Top Speed of the Planet Mercury
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212,292 km/h
The top speed (orbital velocity) of the Planet Mercury is 212,292 km/h (131,940 mph). It's average velocity is 170,496 km/h (105,963 mph).