Velocity

$\overrightarrow{v}$

How fast an object is moving and at what direction. It is a Vector quantity.

You can find several types of velocity:

Instantaneous Velocity ${\overrightarrow{v}}_i$

Instant velocity at a given time Use Calculus IROC

Average Velocity ${\overrightarrow{v}}_{avg}$

Average velocity between 2 points in time.

SI unit

$m/s$