Delia was driving on an asphalt road with a drag factor of 0.80. Her brakes were working at 0 'r ' ' 78% efficiency. She hit the brakes in order to avoid a cat that ran out in front of her car. Three of her tires made skid marks of 38 feet, 42 feet, and 45 feet respectively. What was the minimum speed Delia was going at the time she went into the skid