Why isn't it quicker to fly around the world the opposite direction to its spinning?
The air follows the earth. Commercial airlines can fly at about 600 miles per hour. However, this is relative to the speed of the air through which the airplanes are flying.
It actually is slightly worse than that.
To us it looks like the sun rises in the east and sets in the west. Of course the apparent motion of the sun is caused by the earth spinning in the opposite direction. The earth is spinning from west to east. It completes a rotation once per day, or o