Angular Velocity is a physical quantity that characterizes the rate of change of the angular displacement of a rotating rigid body per unit of time.
$${\omega} = \frac{\varphi}{t}$$
where,
\(\omega\)— angular velocity (rad/s);
\(\varphi\)— angular displacement (rad);
t— time (s).
Angular velocity through angular frequency:
$$\omega = 2\pi f$$
where,
\(\omega\)— angular velocity (rad/s);
f— angular frequency (Hz).