Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 5 - No. 23)
What is the rate of deceleration if the graph has a negative slope?
Decreasing speed
Increasing speed
Constant speed
The object is at rest
ব্যাখ্যা
A negative slope on the speed-time graph means that the speed is decreasing, thus indicating deceleration.