Douring a recent snowstorm, john measured the total snowfall accumulated at the end of each hour. he recorded his results in the table below time snowfall total 1 p. m. 2 p. m. 3 p. m 4 p. m. 5 p. m. 6 p. m. (in inches) 0.7 1.9 2.8 3 8 4.3 5.1 what is the approximate average rate of change of the snowfall between 1 p. m. and 6 p. m.? ! !