A plane flying with a constant speed of 270 km/h passes over a ground radar station at an altitude of 3 km and climbs at an angle of 30.

A plane flying with a constant speed of 270 km/h passes over a ground radar station at an altitude of 3 km and climbs at an angle of 30°. At what rate is the distance from the plane to the radar station increasing a minute later? (Round your answer to the nearest whole number.)