Answer:
5 m/s
Step-by-step explanation:
I would use the formula a= Δv / Δt
So, Δv is change in velocity and Δt is, well, change in time.
So plug in and solve!
35 (Δv) divided by 7(Δt) is 5, therefore
Your avg acceleration is 5 m/s
Everyone makes mistakes so notify me if something was wrong with my answer.