The determined wile e. coyote is out once more to try to capture the elusive roadrunner. the coyote wears a new pair of power roller skates, which provide a constant horizontal acceleration of 15 m/s2. the coyote starts off at rest 70 m from the edge of a cliff at the instant the roadrunner zips by in the direction of the cliff. (a) if the roadrunner moves with constant speed, find the minimum speed the roadrunner must have to reach the cliff before the coyote.