Skylar was doing a job for her family moving firewood from the woods to the woodpile. The distance between the woods and the woodpile is about 125 meters. She hoped to get the job done in a half an hour because she wanted to go to a game with her friends. She made seven round trips and finished in time to go to the game. What was Skylar's average speed in meters per second? A. 0.49m/s
B. 0.97m/s
C. 29.2m/s
D. 58.3m/s​