A Question of Dropped Pennies: How Might an Atheist Respond?

[Whateverist]

Let’s say I drop a penny on the floor fifty times to demonstrate the law of gravity.
Agnostic: How do you know it won’t fly into the air if you drop it one more time?
Theist: My god can make the penny fly into the air the next time you drop it. But don’t actually try it. Thou shalt not tempt the lord thy god.
Deist: Yes, there’s something making that penny drop.

Now, what might an atheist say?

Heads it's gravity, tails god loses?

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Worst helicopter gif ever .. it isn't even moving.