$\mathrm{}$Blood in a carotid artery carrying blood to the head is moving at$0\mathrm{.}15$m$/$s .when it reaches a section where plaque has narrowed the artery to$\mathrm{ 7}1\%$ of its normal diameter. What pressure drop occurs when the blood reaches this narrow section? Ignore the blood viscosity. Express your answer with the appropriate units.