1. A roCKet takes In seconds to go up, tnen come baCK down. a. What was the total time of flight? b. How long did it have a positive velocity for? c. How long did it have a negative velocity for? d. How long did it have zero velocity for? 2. A rocket is launched at 22 m/s. a. What is causing the acceleration of the rocket initially b. What is causing the acceleration 1.5 seconds after launch? c. How high will it go before it stops? d. How long will that take? 3. How could you verify the height of your rocket (hint parallax)