A 1.7×104 kg rocket has a rocket motor that generates 2.9×105 N of thrust.
Part A
What is the rocket's initial upward acceleration?
Express your answer to two significant figures and include the appropriate units.
Part B
At an altitude of 5000 m the rocket's acceleration has increased to 8.0 m/s2 . What mass of fuel has it burned?
Express your answer to three significant figures and include the appropriate units.