Self Assessment : Set Speed Time Graph given distance vs time (v.1)

This applet is the self assessment version of the applets at [br] at [url=https://www.geogebra.org/m/YpTfUB6Z]https://www.geogebra.org/m/YpTfUB6Z[/url][br]and [url=https://www.geogebra.org/m/astu2rT4]https://www.geogebra.org/m/astu2rT4[/url][br][br]More development to improve additional functionalities eg auto generated distance time curve, 4 and 5 stage journeys are forthcoming
Can you set the correct speed time graph for the given simulations of distance vs time for the car, for the 2 questions below?
Q1
Q2

Information: Self Assessment : Set Speed Time Graph given distance vs time (v.1)