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100 km/mph. maybe it wasn't too clear. If you have spin 1000 mph in one direction - on the equator at least - and wind is magically keeping this same velocity without anyone noticing, at the same time no one is noticing the spin because of our velocity, then at least we should notice when we move in the direction of the spin and get 1100 mph of wind in our face, effective - because of our inertia - 100 mph wind in our face...
But of course you don't get twice the airresistance if you drive westwards.. nor do planes get twice the airresistance travelling westward.
You also have counterwinds travelling different directions depending on the height... no winds on this earth give a shit that it's supposedly spinning.