A 1500 kgkg weather rocket accelerates upward at 10 m/s2m/s2 . It explodes 2.0 ss after liftoff and breaks into two fragments, one twice as massive as the other. Photos reveal that the lighter fragment traveled straight up and reached a maximum height of 530 mm above the ground. For help with math skills, you may want to review: Solving Algebraic Equations Part A What was the speed of the heavier fragment just after the explosion