Piecewise functions are sometimes useful when the re­lationship between a dependent and an...

Piecewise functions are sometimes useful when the re­lationship between a dependent and an independent variable cannot be adequately represented by a single equation. For example, the velocity of a rocket might be described by

Develop an M-file function to compute υ as a function of t. Then, use this function to generate a plot of υ versus t for t = –5 to 50.