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Which outcome develops following increased aircraft speed near stall?

A)Boundary layer transition to turbulence
B)Elevator control surface stiffening
C)Reduced adverse pressure gradients forms
D)Spanwise flow migrates toward wingtips

💡 Explanation

A turbulent boundary layer results because increased speed approaching stall introduces flow separation, initiating turbulence; the unstable airflow disrupts the laminar boundary layer. Therefore turbulence happens rather than laminar flow, minimizing lift and increasing drag.

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