# Initial Velocity

Written by Jerry Ratzlaff on . Posted in Thermodynamics

## Initial Velocity

Initial velocity is the starting point at which motion begins.

### Initial Velocity Formula

$$v_i = v_f \;-\; at$$

Where:

$$v_i$$ = initial velocity

$$v_f$$ = final velocity

$$a$$ = acceleration

$$t$$ = time between the start and end of the acceleration