Jim hesitated before getting in. He didn't like the man's looks or the way he talked. Any other time he would have said, "No thanks," but his leg hurt, and it was a long walk home. He got in. The big car started off in a burst of speed.

"I know who you are," the man said after hesitating for a moment. "I know you're the guy who makes the difference on the team. With you working hard, they win. Without you, they lose. It's as simple as that." The man reached into his pocket and took out a crisp $100 bill. "There's more where this came from, if you know what I mean," he said, breaking into a sly, calculating smile.

Q. Underline two short groups of words which explain why Jim accepted a ride he would ordinarily refuse.