Chapter 45, Problem 34A

Compute the following problems. Express the answers to the nearer whole number. Use $C=\frac{3.1416DN}{12}$ or $\frac{\pi DN}{12}$ for customary units and $C=\frac{3.1416DN}{1000}$ or $\frac{\pi DN}{1000}$ for metric units.

A finishing cut is taken on a brass workpiece using a 100-millimeter diameter carbon steel milling cutter. What is the cutting speed when the cutter is run at 86 r/min?