A gondola can carry 20 skiers, with a total mass of up to 2170 kg . The gondola ascends at a constant speed from the base of a mountain, at 1740 m , to the summit at 3855 m . help a b and c please

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?