An acceleration is the rate of change of the velocity compared to the change of time. To find the acceleration, use this following formula.
a = [tex] \cfrac{\Delta v}{\Delta t} [/tex]
Δ means the rate of change
Input the numbers
a = [tex] \cfrac{\Delta v}{\Delta t} [/tex]
a = [tex] \cfrac{50-30}{5} [/tex]
a = [tex] \cfrac{20}{5} [/tex]
a = 4
The acceleration is 4 m/s²