3) An airplane weighing 5,000 lbs strikes an upward gust of air which produces a upward wing lift of 25,000 lbs. What tail load is required to prevent a pitching acceleration, if the dimensions are as shown? What will be the vertical acceleration of the airplane? If the vertical gust acts until the airplane reaches a vertical velocity of 20 ft/sec, how much time is required? 25,000 lb 201.. W=5,000 lb 180"