Investigating rates of change - filling vase

Can you predict what the graph of water height versus time will look like as the vase fills?[br]Can you explain why the graph is so?[br]Click on the button "Fill vase" to turn start filling the vase with water.[br]Click on the button "Change vase shape" to change the shape of the vase. Drag the red crosses to adjust the shape of the vase.
Investigating rates of change - filling vase

Information: Investigating rates of change - filling vase