domino derby

How does space between dominos affect the average speed at which they fall? In order to find how space between dominos influence the average speed at which they fall is by equally spacing dominos in cm first. Second, gauge the total length of rows of dominos in cm and record. When all dominos collapse stop the stopwatch and record the time. Lastly, replicate this step several times in diverse lengths. The average speed is a single speed that summarizes or represents the...