Find speed from a distance-time graph
The distance-time graph shows an object moving at constant speed. Read the two marked points, then find the speed in metres per second (m/s).
Write a full answer
Now write the response in full, in your own words — this is what the exam asks for. The AI marks it on the same moves you built above (focus, evidence, technique, judgement) and gives feedback on reasoning, evidence, and expression.