13 - Penn Math

ta is still an arc length parameter, it ju st measures distance starting at a) arc length parametrization of a strawith | v|=1 ight line: (s) r r v 0 s s t a measures distance traveled starting at Examples: 02ddsrS in either case, distance traveled from ss D E E D to is simply "arc length parametrization" rr s t s ................
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