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Which consequence results when a supersonic aircraft's ascent profile violates the area rule equation?

A)Increased transonic wave drag develops
B)Elevator control effectiveness diminishes severely
C)Engine stall probability during climb increases
D)Boundary layer separation causes flow reversal

💡 Explanation

Increased transonic wave drag develops because when the area rule is violated, the aircraft's cross-sectional area changes abruptly along its length leading to greater air compression as it approaches Mach 1; therefore wave drag acutely increases rather than other aerodynamic instabilities.

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