Based on the information given in Problem 59, is it possible that the rocket moves with constant

Question:

Based on the information given in Problem 59, is it possible that the rocket moves with constant acceleration? Explain.
In Problem 59, A rocket is launched from rest. After 8.0 min, it is 160 km above the Earth's surface and is moving at a speed of 7.6 km/s. Assuming the rocket moves up in a straight line, what are its