Basic Fluid Mechanics

Consider a two-dimensional potential flow over a cylinder. If the freestream speed is $U_\infty$, the maximum speed on the cylinder surface is:

Scientific schematic diagram reproduced from official IIT paper

Options:

• (A) $\frac{U_\infty}{2}$
• (B) $\frac{3U_\infty}{2}$
• (C) $2U_\infty$
• (D) $\frac{4U_\infty}{3}$