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Phobos is one of two small moons that orbit Mars. Phobos is a very small moon...

Phobos is one of two small moons that orbit Mars. Phobos is a very small moon and has correspondingly small gravity-- it varies but a typical value is about 6mm/s^2. Phobos isn't quite round, but it has an average radius of about 11 km. What would be the orbital speed around Phobos, assuming it was round with gravity and radius as noted?

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