For a man running horizontally along east at speed of 4 km/hr, the rain appears to fall vertically. If he doubles his speed the rain appears to hit him at an angle at 30° with vertical. The original speed and direction of rain will be
4 km/hr, 30° with vertical towards east
4 km/hr, 30° with vertical towards west
8 km/hr, 30° with vertical towards east
8 km/hr, 30° with vertical towards west