<Tr> <Td> On Venus </Td> <Td> Venus's gravity </Td> <Td> 10.36 </Td> <Td> At Venus </Td> <Td> The Sun's gravity </Td> <Td> 49.5 </Td> <Td> 17.8 </Td> </Tr> <Tr> <Td> On Earth </Td> <Td> Earth's gravity </Td> <Td> 11.186 </Td> <Td> At Earth / the Moon </Td> <Td> The Sun's gravity </Td> <Td> 42.1 </Td> <Td> 16.6 </Td> </Tr> <Tr> <Td> On the Moon </Td> <Td> The Moon's gravity </Td> <Td> 2.38 </Td> <Td> At the Moon </Td> <Td> The Earth's gravity </Td> <Td> 1.4 </Td> <Td> 2.42 </Td> </Tr> <Tr> <Td> On Mars </Td> <Td> Mars' gravity </Td> <Td> 5.03 </Td> <Td> At Mars </Td> <Td> The Sun's gravity </Td> <Td> 34.1 </Td> <Td> 11.2 </Td> </Tr>

What is the escape velocity of the moon
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