Final answer:
To find the average temperature change per hour, divide the total temperature drop of 14.4 degrees by the total time of 4.5 hours, resulting in an average drop of 3.2 degrees per hour.
Step-by-step explanation:
To determine this, we need to divide the total change in temperature by the total number of hours over which the change occurred. In the given scenario, the temperature dropped by 14.4 degrees over a period of 4.5 hours. The average change in temperature per hour would then be calculated as follows: Average change per hour = Total temperature change / Total hours, Average change per hour = 14.4 degrees / 4.5 hours, Average change per hour = 3.2 degrees per hour. Therefore, the average change in temperature per hour is 3.2 degrees.