The pressure coefficient is found by the acoustic theory for a class of slender bodies in uniform acceleration or deceleration to a given Mach number, subsonic or supersonic. Explicit formulas for the main pressure term, and for the first-order correction caused by the unsteady motion, are obtained for bodies which are perturbations from the basic parabolic profile. Examples are given of bodies contained in this theory, together with typical pressure-coefficient curves. Methods are given for selecting a pointed convex profile having its maximum cross section at any desired point lying within certain limits.

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