How to pronounce“headlong”in English

“[A] sharp-looking old dame, […] inhabited a "laigh [low] shop," anglicé [in English], a cellar, opening to the High-street by a strait and steep stair, at the bottom of which she sold tape, thread, needles, skeans of worsted, coarse linen cloth, and such feminine gear, to those who had the courage and skill to descend to the profundity of her dwelling, without falling headlong themselves, or throwing down any of the numerous articles which, piled on each side of the descent, indicated the profession of the trader below.”

“Figures out today show the economy plunging headlong into recession.”

“Their path led them past sharp cliffs, along narrow trails unknown and untrodden, past headlong boulders strewn across barren, treeless, wind-haunted heights.”

“On sighting their prey, they check their flight and hurtle in a headlong dive to the sea.”