A man remains in critical condition after a scary motorcycle accident .
53 year old Billy Darby had surgery late Wednesday, but he is still in the ICU at Midland Memorial Hospital.
Police say a car in front of Darby suddenly slowed down.
In order to not hit it, Darby had to lay the bike on its side.
Both Darby and his passenger were thrown off.
We're told they were not wearing helmets.