20. John (located 3 meters from Allan) throws a football in Allan's direction at the EXACT same time as Allan begins to run away from John. John threw the football at an angle of 35" with respect to the horizontal with an initial speed of 7 m/s. What should Allan's average speed be in order to catch this football? Assume that Allan will catch the ball at the same level above the ground as John has released it. Give the answer in m/s. John Allan