2. (8 points) An aircraft maintains a constant airspeed of 500 miles per hour headed due south. The jet stream is 80 miles per hour in the northeast direction. a. Express the velocity va of the aircraft relative to the air in terms of i and j. b. Express the velocity vw of the jet stream in terms of i and j. C. Use Va and to find Vw Vg, Va VW 4 the velocity of the aircraft relative to the ground. find the actual speed of the aircraft relative to the ground. Round to the nearest mile.