Choose (0,0) as one of the default data point. The value of the slope is approximately equals to 1. 10.5 m s to the power of negative 2 end exponent 2. 9.5 m s to the power of negative 2 end exponent 3. 10 m s to the power of negative 2 end exponent 4. 9.8 m s to the power of negative 2 end exponent