Answer:
Velocity is 35 m/s
Explanation:
Assuming the initial velocit was 0 m/s :
a = 5 m/s^2
t = 7s
So we use the formula for accelartion:
[tex]a=\frac{v-u}{t} \\\\5=\frac{v-0}{7} \\v=5*7\\v=35m/s[/tex]