A sound wave moves at a speed of $330\,\text{m s}^{-1}$ and has a frequency of $50\,\text{Hz}$. What could be a possible separation between two points on the wave with a phase difference of $60^{\circ}$?
- A$0.03\,\text{m}$
- B$1.1\,\text{m}$
- C$2.2\,\text{m}$
- D$6.6\,\text{m}$