find part a pls part b) if the bird turns around and flies with the wind, how long, and minutes, will it take to return 6.2 km ?

(4%) Problem 6: A seagull flies at a velocity of 12 m/s relative to the air straight into the wind. A 50% Part (a) If it takes the bird 23 minutes to travel 6.2 km relative to the Earth, what is the velocity of the wind, in meters per second, relative to the Earth? Take the direction of travel of the seagull to be positive.