Jennifer stands on a sidewalk with her bicycle and notices the air is motionless. She then rides her bicycle north at a constant speed of 5 meters per second. What should Jennifer report about the speed of the air around her as she rides her bicycle?
A. The air moves south at a constant speed equal to 5 meters per second.
B. The air moves south at a constant speed greater than 5 meters per second.
C. The air moves north at a constant speed equal to 5 meters per second.
D. The air moves north at a constant speed greater than 5 meters per second.