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Velocity and Acceleration: Put the pedal to the metal

Now we need some everyday uses for the derivative. We need to tie it into your day-to-day life, make you feel as if it has some immediacy for you. We want to show how it can become more than just an acquaintance, it can be a real friend. But what makes someone your friend? Well, it helps if they do things for you. Send you cards on your birthday. Make you a special dinner once in a while. Derivatives will not do that kind of stuff for you. But they will do things that your other friends can't do, things that will convince you to open your heart. For instance, derivatives will tell you how fast you are going. Say you are driving down the road, and you look at the speedometer, and it reads 65 mph. That speedometer is telling you the

Joel Hass