Motion — practice question

The diagram shows a distance-time graph of an object moving in a straight line. What is the average speed from X to Y?

• A$0.20\ \text{m s}^{-1}$
• B$0.30\ \text{m s}^{-1}$
• C$0.40\ \text{m s}^{-1}$
• D$0.60\ \text{m s}^{-1}$