Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 5 - No. 48)
What does it mean if the line of a speed-time graph slopes downwards?
Constant acceleration
Constant speed
Deceleration
The object is at rest
הֶסבֵּר
A downwards sloping line on a speed-time graph indicates a decrease in speed, or deceleration.