Tail wind is wind blowing in the same direction the aircraft is moving. When the aircraft is flying with a tail wind, its speed over the ground is equal to its speed through the air, plus the speed the air is moving over the ground. ( )
A.The direction of tail wind is the same as that of the aircraft is moving. B.The direction of tail wind is opposite to that of the aircraft is moving. C.When the aircraft is flying with a tail wind, its speed over the ground is equal to its speed through the air, minus the speed the air is moving over the ground.正确答案A
