Select the correct answer.
 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 minutes for
 the bicycle to return to point A. What is the average speed and average velocity of the bicycle?
 ОА.
 The average speed is 2.5 meters/second, and the average velocity is
 2.5 meters/second east.
 OB
 The average speed is O meters/second, and the average velocity is
 2.5 meters/second east.
 Ос.
 The average speed and average velocity are both O meters/second.
 OD. The average speed is 2.5 meters/second, and the average velocity is
 O meters/second.