EasyCurves in space

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §12.4 Polar Coordinates and Planetary Motion, #4 · Multivariable Calculus · Curves in space

Traveling on the cardioid … with …, what is

Traveling on the cardioid $r = 1 - cos θ$ with $d θ / d t = 2$ , what is $v$ ?

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §12.4 Polar Coordinates and Planetary Motion, #4

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