Which example provides a complete scientific description of an object in motion? (A) The hiker followed the north trail a distance of two kilometers in thirty minutes

(B) The tiger had to run at 50 kilometers per hour across the field to catch the zebra

(C) The hockey player sent the puck flying toward the north goal to score the winning point

(D) The vibration of the jackhammer broke through the south-facing rock in under 10 seconds