Which of the following statements are correct?

A. A bullet covers 55 meters in 2 seconds. Its speed is 99 km/hr

B. A can complete a work in 10 days. In 5 days, he can complete \(\frac{1}{5}\) fraction of the work

C. Walking at \(\frac{3}{4}\) of his usual speed, a girl is late by 2\(\frac{1}{2}\) hours. Her usual time is 7\(\frac{1}{2}\) hours.

Choose the correct answer from the options given below: