Sort:  

The minute hand serve has a radius. It moves 11am to 11:15 which is 90degrees. Using radian×radius. A radian is 180degrees which is equivalent to a pie(3.14). But here it moved 90degrees, which is 3.14/2=1.57..so the distance covered is 1.57×14=21.98

Nice, you get second place, a bit late :)