Which of the following best illustrates a use of friction in the transportation industry? A. When a passenger jet burns fuel and shoots exhaust out its back end, the jet responds by moving forward. B. When a locomotive's brakes are applied to train tracks, the force between the brakes and the tracks causes the locomotive to slow down. C. When a ship is launched out to sea, the downward force of the ship onto the water is balanced by the water's upward force onto the ship. D. When a driver applies a force to a car's accelerator pedal, the car responds by traveling at a faster speed.