: Acceleration due to Gravity . To get the numbers for the 3rd column, follow the same pattern all the way down: # after in col2 # before in col2. See shaded boxes. - . To get the numbers for the 4th column, follow the same pattern all the way down: # in col3/ 0.2 Time change V Dist x (m) (s) X (m/s) 0 0 0.1 0.05 0.20-0 = 0.2 0.2 0.20 0.3 0.45 0.4 0.78 0.5 1.23 0.6 1.77 0.7 2.40 Measured g (slope of graph) (m/s²) % Error