How fast something moves is the speed. Airplanes are one of fastest moving objects in the world, and cheetahs are one of the fastest animals.
Velocity, or Speed
A fast-moving stream is called a river or a torrent.
Air moving very fast is typically referred to as "wind."
Velocity includes direction in addition to speed, while speed only measures how fast something is moving. This means that velocity provides both the rate at which an object is moving and the direction in which it is moving.
Speed and velocity both describe how fast an object is moving. The main difference is that velocity includes direction, whereas speed is just a measure of how fast something is moving regardless of direction.