Answer:
It would be A or a speed skater moving at an increasing speed on a straight track
Explanation:
the reasoning behind this is that the speed skater is getting faster or is accelerating.
Average speed = total distance/total time = 2011.25/121.3 = 16.58 m/s. Hope this helps.
The question in choice-C is the correct answer to your question.
(Is this confusing ?)