1. An airplane flies 800 kilometers east from Denver to Wichita in one hour. Then the plane flies west back to Denver in the same amount of time. Which of the following best relates the speed and velocity of the two flights?
A.
The speed and velocity of the flights are not related for either flight.
B.
The velocity of the second flight is negative compared to the speed.
C.
The speed of the second flight is negative compared to the velocity.
D.
The velocity and speed of both flights are equal.