A tennıs ball travel wıth ınıtıal velocıty of 3m/s ın 5seconds and accelerat unıformely wıth velocıty of 17m|s calculate the acceleratıon

V = Vo + a*t = 17 m/s.

3 + a*5 = 17
5a = 17-3 = 14
a = 2.8 m/s^2.