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Rocket Goes Up

CLMECH-4NLYKK

A model rocket is launched and it rises vertically from rest with a constant upwards acceleration of $3.7 m/s^2$. It travels 730 meters, then runs out of fuel, and experiences gravitational acceleration.

What is the rocket's total travel time?

A

$6.3 s$

B

$12.6 s$

C

$21 s$

D

$35 s$

E

$197 s$