Three kinematic formulae are: v = u + at s = ut + 1 2 at2 v2 = u2 + 2as Where u = initial velocity, v = final velocity, s = displacement, t = time and a = accelerationA toy car accelerates at 5 m/s2 for 11 metres. It finishes travelling at 21 m/sUse the correct formula to calculate the initial velocity of the toy car.Write your answer to 2 decimal places.