From the top of a tower 100 m high, Rohan observes a boat moving towards the tower with an angle of depression of 30°. After sometime, the angle of depression becomes 60°. The distance (in m) covered by the boat during this time will be
1
301 m
2
160 m
3
\(\frac{200\sqrt3}{7}\) m
4
\(\frac{200\sqrt3}{3}\) m