Wyle E. Coyote is planning yet another futile attempt to catch Roadrunner (Beep Beep). This time he plans to attach a rocket to his back and chase down Roadrunner. His position, in miles, is given by the equation s(t)=13-212+10t , where time is in minutes. (a) As usual, Coyote has some difficulty with his plan and he flies wildly out of control slamming into cliffs, cars and the ground. At what times is his velocity zero? (a) (b) Find all times when he is moving backwards. (b) ( c ) Find all the times when his velocity is increasing