luna jumps out of an airplane with a parachute. as she falls, she notices that after a while, her speed…

luna jumps out of an airplane with a parachute. as she falls, she notices that after a while, her speed stops increasing because the air resistance balances her weight. what is the speed called at which her acceleration stops? average speed terminal speed constant speed instantaneous speed
Answer
Brief Explanations:
Terminal speed is the speed at which the air - resistance force on a falling object equals its weight, resulting in zero acceleration.
Answer:
B. terminal speed