Answer: Option D
Usain Bolt is a famous sports personality who is well known for his achievements in Athletics, specifically in the sprint events. Here are some relevant definitions and formulas related to Athletics:

1. Athletics: Athletics is a collection of sporting events that involve running, jumping, and throwing. The most common events in Athletics include sprints, middle-distance and long-distance running, hurdles, relays, high jump, long jump, triple jump, shot put, discus throw, and javelin throw.
2. Sprint events: Sprint events are short-distance races that typically range from 100 meters to 400 meters. Usain Bolt is particularly famous for his achievements in the 100 meters and 200 meters sprint events.
3. World records: Usain Bolt holds multiple world records in Athletics, including the world record for the 100 meters and 200 meters sprint events. His world record time for the 100 meters is 9.58 seconds, and his world record time for the 200 meters is 19.19 seconds.
4. Training and technique: Usain Bolt's success in Athletics can be attributed to his rigorous training regimen and his unique running technique. He is known for his tall stature, long strides, and efficient use of energy, which allow him to maintain high speeds over long distances.

In conclusion, Usain Bolt is a famous sports personality who is associated with Athletics, specifically in the sprint events. He is known for his world records and unique running technique, which have made him one of the greatest athletes of all time.