Discussion
Stick force grows with speed chiefly because
Answer: B
The hinge moment carries a factor of dynamic pressure, so it grows with the square of the speed for a given coefficient, and the stick force follows. This is the central problem of manual controls on a fast aeroplane and the reason aerodynamic balance, tabs and eventually powered controls exist. Gearing is fixed by the linkage geometry. Surface area does not grow, though the surface does twist. And the pilot is unchanged.
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