Work package. Hope this helps!
The formula for kinetic energy is

. Thus, the equation for velocity is

.
French fries were on your car
M = 150 kg.
Final velocity, v = 14 m/s
Initial Velocity, u = 6 m/s
Impulse = m(v - u)
= 150*(14 - 6)
= 150*8 = 1200 kgm/s or 1200 Ns