Title: Hi all, I read a Bloomberg article today (<a href="https:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;articles&#x2F;2022-07-27&#x2F;fed-raises-rates-by-75-basis-points-to-double-down-on-inflation?srnd=premium" rel="nofollow">https:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;articles&#x2F;2022-07-27&#x2F;fed-raise...</a>) stating the following:<p>&quot;Powell also said the Fed will slow the pace of increases [to interest rates] at some point&quot;<p>This is referencing a 3rd derivative (loan obligation = base, interest rate = 1st derivative, change in interest rate  = 2nd derivative, pace of changes in interest rate = 3rd derivative).<p>I was wondering if hackernews had any other interesting examples of higher order derivatives that one might encounter in everyday life.
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