With no air movement, a bird can move at a speed of $10\,\text{m s}^{-1}$. The wind is blowing from the east at $8.0\,\text{m s}^{-1}$. What direction should the bird head in so that it reaches a place that lies due north of its present position?
- A$37^\circ$ east of north
- B$37^\circ$ west of north
- C$53^\circ$ east of north
- D$53^\circ$ west of north