Complex sentence: After awaking in the trunk Adam hears noises outside scratching at the car with Finn, still in the car, beginning to cry as the car shakes, he pokes a hole in the backseat cushion and pushes his way out just as the car stops shaking.
Split into simpler sentences: After awaking in the trunk Adam hears noises outside scratching at the car, with Finn, still in the car, beginning to cry as the car shakes. He pokes a hole in the backseat cushion and pushes his way out just as the car stops shaking.