The VP says he loves speed.

President Barack Obama and Vice President Joe Biden are served burgers as they make an unannounced visit to Ray’s Hell Burger in Arlington, Va. (AP Photo/Charles Dharapak) Hot hot Arlington burger joint Ray’s Hell Burger got even hotter today after President Barack Obama and Vice President Joe Biden stopped in for lunch around 12:30 p.m. The crowd at Ray’s was reportedly (and understandably) flipping out over the surprise executive branch visit. The official White…