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Required information

An archer fish spies a meal of a grasshopper sitting on a long stalk of grass at the edge of the pond in which he is swimming. The fish is to successfully spit at and strike the grasshopper, which is $0\mathrm{.}200m$ away horizontally and $0\mathrm{.}535m$ above his mouth.

What is the minimum speed at which the archer fish must spit?

$\frac{m}{s}$