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While sitting in your car, you see a jogger in your side mirror, which is convex...

While sitting in your car, you see a jogger in your side mirror, which is convex with a radius of curvature of magnitude 2 m. The jogger is 12 m from the mirror and is approaching at 3.9 m/s. How fast does the jogger appear to be running when viewed in the mirror?
m/s

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