A Model Car Is Propelled by a Cylinder of Carbon

Multiple Choice

A model car is propelled by a cylinder of carbon dioxide gas.The cylinder emits gas at a rate of 4.5 g/s with an exit speed of 80.0 m/s.The car has a mass of 200 g,including the CO₂ cylinder.Starting from rest,what is the car's initial acceleration?

A) 0.90 m/s²
B) 1.8 m/s²
C) 9.0 m/s²
D) 36 m/s²