The maximum circumference of the Earth (equator) is roughly 40,070 kilometers, according to NASA. A day is approx 24 hours long. Dividing the circumference by the length of the day gives a speed of about 1,670 km/h (1,037 mph).
F-35 can reach the maximum speed of 1,931 km/h or Mach 1.6.
Top speed of a grizzly bear is about 56 km/h (35 mph).
Top speed of a Gewehr 98 bullet (muzzle velocity) is 639 m/s (2,096 ft/s).
Top speed of Lockheed SR-71 Blackbird is 3,540 km/h (2,200 mph).
Top speed of an AK-47 bullet (muzzle velocity) is 715 m/s (2,350 ft/s).
A lion's top speed is maximum 80 km/hr, in short bursts.
Top Speed of a Giant Centipede is 3.3 km/h (2mph).
Top speed of Boeing C-17 Globemaster airplane is 830 km/h (520 mph).
Top Speed of Kawasaki Vulcan is 170 km/h (106mph)
