A bicycle traveled 150 meters west from point A to point B. Then it took the same route and came back to point A. It took a total of 2 mins for the bicycle to return to point A. What is the average speed and average velocity of the bicycle?
A.
The average speed is 2.5 meters/second, and the average velocity is
2.5 meters/second east.
B.
The average speed is 0 meters/second, and the average velocity is
2.5 meters/second east.
C.
The average speed and average velocity are both 0 meters/second,
D.
The average speed is 2.5 meters/second, and the average velocity is
0 meters/second​