A police van moving on a highway with a speed of 30 \(\text {km}\;\text h^{-1}\) fires a bullet at a thief’s car speeding away in the same direction with a speed of 192 \(\text {km}\;\text h^{-1}\). If the muzzle speed of the bullet is 150 \(\text {m}\;\text s^{-1}\), with what speed does the bullet hit the thief’s car ? (Note: Obtain that speed which is relevant for damaging the thief’s car).