Kevin Hart Friends from Car Accident Share First Hospital Images

Kevin Hart's 2 friends who survived that car crash with him are giving us a glimpse into their recovery for the first time since sustaining very serious injuries.

Rebecca Broxterman, the backseat passenger, posted images of the driver -- and her fiance -- Jared Black in a neck brace following the accident. She says the hospital bed photos of Jared are from Sept. 17 ... a little more than 2 weeks after the wreck.

Not surprisingly, Rebecca called the night of the accident the scariest of her life.

More than 2 months later, she's opening up ... saying after the accident she was terrified when she had to be separated from Jared when they were airlifted from the crash scene to the hospital.

Jared, who suffered very similar spinal injuries as Kevin did, underwent major back surgery, and Rebecca says they're doing physical therapy together a few times each week.

TMZ broke the story ... Kevin's 1970 Plymouth Barracuda -- driven by Jared -- crashed into a ravine Sept. 1 and Hart suffered serious back injuries which required surgery and a grueling physical therapy routine.