An athlete notices a puff of smoke from the starting pistol and then hears the pistol fire $1.5$ seconds later. The sound and the smoke are produced simultaneously. The starting pistol is $450\,\text{m}$ from the athlete. From this observation, what is the speed of sound?
- A$150\,\text{m s}^{-1}$
- B$300\,\text{m s}^{-1}$
- C$330\,\text{m s}^{-1}$
- D$675\,\text{m s}^{-1}$