A Red-Tailed Hawk leaves its nest and flies 100.0 meters across the sky in 20 seconds, when it spots a garter snake on the ground below. It then flies 50.0 meters in 5.0 seconds to catch the snake. What was the hawk’s average speed over his entire journey?

A.) 150 m/s

B.) 3,750 m/s

C.) .17m/s

D.) 6 m/s