speed is great medicine for ms. betty right here. behind the wheel of a 1999 corvette.r son's, and she's known as grandma bad ass. she's about to race peter in the far lane. >> that was her grandson in the car taking the video. setting the lights, burn outs done. time to smash the act. >> here we go. >> go! >> grandma is fist pumping in the middle of the quarter mile! >> ha-ha! >> she's a winner. >> no! >> she won? that's awesome. >> you bet she won. >> grand ma, why are you such a bad ass drag racer? that's what the worldmen wants know. that's what the world wants to know. >> beat peter and something else. >> that's the way i beat cancer. >> she's 76 years old, diagnosed with breast cancer in 1997, fighting ever since, and this is one way she's done it. this is actually a rematch between her and peter. they raced last march. peter had such a blast, he call her out, said, hey, time to race again, so the green cove dragway put this event together. they had raffles, raised money, and she got a ride with her competitor first. not afraid of anything. >> no, she's not even b