How to pronounce “appalachian mountains” in English

It's at the foothills of the Appalachian Mountains.

But over time, the Appalachian Mountains eroded and all of that worn-away rock, or sediment, was carried out by rivers out here, forming the coastal plain.

And one of the explanations I've heard for this is that the Appalachian Mountains were suddenly getting created in the tropics, which would have accelerated

Like, once upon a time, the Appalachian Mountains of the U.S. might have been as tall as the Andes.

I mean, the Whiskey Rebellion, that was over--I believe it was alcohol taxes, and the people pass the Appalachian Mountains felt that it hurt them.