An accused hit-and-run driver estimated he was going more than twice the speed limit when he fatally struck a construction worker on a Queens expressway — because he was hungry and anxious to get to Dunkin’ Donuts, according to prosecutors who have charged him with manslaughter.

Daveanand Budhai incriminated himself in a lengthy statement after the Friday morning wreck on the Nassau Expressway near JFK Airport in South Ozone Park that killed 44-year-old Isabel Alvarez, prosecutors say.

He was driving with a suspended license when he crashed, authorities charge, striking the victim so hard she flew 168 feet through the air.

“To be honest, I wasn’t paying attention to my surroundings,” Budhai told police, according to the criminal complaint against him. “I (had) just woke up. I was in

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