How to pronounce“rampage”in English

“Blast after blast, fiery outbreak after fiery outbreak, like a flaming barrage from within,[…]most of Edison's grounds soon became an inferno. As though on an incendiary rampage, the fires systematically devoured the contents of Edison's headquarters and facilities.”

“Great card he was. Waltzing in Stamer street with Ignatius Gallaher on a Sunday morning, the landlady's two hats pinned on his head. Out on the rampage all night.”

“In the hip science of ultrasmall nanotechnology, fantastical future possibilities like rampaging nanorobots capture the most attention, but the first fruits of the field have been more mundane: tiny bits of mostly ordinary stuff that just sit there.”