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With regard to aerodynamic lift, which statement is TRUE?
A) Adjusting the angle of attack on a mainsail is accomplished by adjusting the outhaul or the vang, if fitted.
B) When a sail is trimmed too tight, turbulence will break out on the windward side of the sail and cause a telltale there to flutter.
C) If the thrust on a sail becomes excessive when close-hauled, it is likely to capsize the vessel rather than drive it.
D) A properly trimmed sail should have laminar flow on the windward side and turbulent flow on the leeward side.
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