It's very thin air,however. 300 kilometres an hour is a barely felt whisp. The actual mass flowrate of martian air would be very low, even when compared with a gentle breeze on Earth. Winds might be a hundred times faster, but the air's a hundred times thinner. It's just about enough to stir up the dust every now and then.
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--m(^0^)m-- Wot, no sig?
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--m(^0^)m-- Wot, no sig?