An Ant Crawls in a Straight Line at a Constant

Multiple Choice

An ant crawls in a straight line at a constant speed of 0.35 m/s, beginning in the corner of a square classroom that is 5.00 m on a side. It first crosses the diagonal of the room and then turns to the right, continuing at 0.45 m/s to the far corner of the same wall from which it began. What was the ant's average speed for the whole trip?

A) 0.40 m/s
B) 0.16 m/s
C) 0.24 m/s
D) 0.39 m/s