Answer:
356.377 min.
Step-by-step explanation:
Acceleration given to the rocket = 3.2 g per minute
= 3.2 x 9.8 meters per second per minute
=31.36 meters per sec /per min
now ,25000 mph = 25000 x .44704 m / s.
= 11176 m /s
v = u + at
u = 0
t = v/a
= 11176 / 31.36 min
= 356.377 min