Answer to Question #60022 in Mechanics | Relativity for Jahnavi

Question

A model rocket fired from the ground
ascends with constant upward acceleration.
After 1.0 s from firing a small bolt is
dropped from the rocket and after 5.0 s from
firing, its fuel is then finished. The bolt
strikes the ground after 2.0 s from the instant
it was dropped. Acceleration due to gravity
is g = 10 m/s2
.
(a) acceleration of the rocket while running
on its fuel is 8.0 m/s2
.
(b) rocket was at height 100 m above the
ground when its fuel was finished.
(c) maximum speed of the rocket during its
flight is 40 m/s
(d) total airtime of the rocket is 15 s
THE QUESTION IS HOW MANY STATEMENTS ARE TRUE?
CAN U PLEASE EXPLAIN IN DETAIL