If the original question was speed through the water then current is irrelevant. (not counting the waves of course) If you just had a knot meter and no way of seeing land, the stars and no GPS, only your hand dragging through the water you would have no idea there even was a current. Now speed across the ground, current would matter but it is still a performance question. Same as a aircraft through the air....
"Duty, that grim demanding bitch, come to call with all her nagsome sisters, would never give a man a moment of his own."
A Kings Trade
Money canít buy you happiness.
But it buys you a big enough yacht to
sail you right up to it!
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