Examine the graph illustrating the position of a ship navigating a straight river over time. Determine the ship's average velocity during the time interval from t = 25.0 s to t = 50.0 s.

• A. 9.0 m/s
• B. 4.0 m/s
• C. 5.0 m/s
• D. 4.5 m/s

Answer: (C)