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).

The PAC JF-17 Thunder or CAC FC-1 Xiaolong has a top speed of 1,910 km/hr (1,187 mph).

Top speed of Bell AH-1Z Viper helicopter is 411 km/h (255 mph). It has a cruising speed is 300 km/h.

One of the fastest train is the Shanghai Maglev train, which can reach a top speed of 431 km/h (268 mph).

The Peregrine falcon is the fastest flying bird. The Peregrine falcon soars to a great height, then dives steeply at speeds of up to 240 miles (386 km) per hour.

Ostriches are the fastest running birds in the world and have a top speed of 70 km/h (45 mph). They can cover five meters in a single stride!

The top speed of a Koenigsegg Agera is 439 km/h (273 mph).

Top speed of a polar bear is about 40 km/h (25 mph).

The great white shark has a top speed of 56 km/h (35 mph) (Maximum, In Short Bursts).