a quaterback throws a football towards a reciever with an initial speed of 22m/s, at an angle of 34 degrees above the horizontal. At that instant, the reciever is 21 m from the quarterback. The acceleration of gravity is 9.8 m/s ^2. WIth what constant speed should the reciever run in order to catch the football at the level at which it was thrown? Answer in units of m/s.