Float. You can survival float for up to an hour. The sharks are only attracted to movement and blood.
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I intend to live forever. So far, so good.
Wise men talk because they have something to say;
fools talk because they have to say something: Plato
You gotta get out of the water as 9 out of 10 shark attacks happen in water.
Just swim a litlle faster than your buddy in the rowing boat.
Should be OK after that.
I wound not panic and do nothing. If the boat shunk, the same applys. However if I was bleeding, I would say a prayer to the Good Lord and then the sharks would have me for dinner. There is another answer I can give. There are a lot of different shark breeds, and of these only 3 types of shark are hostile to humans, so chances are the sharks would be harmless and swim away from the rowboat and I wouls surive, thanks be to God, and row ashore and book in a Escort girl to celabrate!