I'd say "A large wave caught him and flung him with ease and supreme speed completely over the boat and far beyond it."
The apostrophe is used for possession (e.g. my cat’s food or my mom’s hairbrush)
Hope this helps :)
~ His Cookie Monster
Ben asked tom if he actually liked whitewashing the fence and tom answered saying it's not everyday where a boy gets a chance to whitewash a fence. And it immediately got ben's attention, so he watched him paint and got very interested in it.
