The sphere \(P\) travels in a straight line with speed \(v=10 \mathrm{~m} / \mathrm{s}\). For the instant depicted, determine the corresponding values of \(\dot{r}\) and \(\dot{\theta}\) as measured relative to the fixed \(O x y\) coordinate system.

\(2 / 109\) If the \(10-\mathrm{m} / \mathrm{s}\) speed of the previous problem is constant, determine the values of \(\ddot{r}\) and \(\ddot{\theta}\) at the instant shown.

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