Answer and Explanation
Your Answer is
Correct Answer is C
Explanation
The speed change in these two hours is 25-15=10, then the speed change value in the nearest two hours is 10/2=5knots/h.
53. The graph below gives the speed, in knots (nautical miles per hour), of a cruise ship during a 5-hour period. Which of the following values is closest to the rate of change, in knots per hour, of the speed of the ship between hours 2 and 4 ?
