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Lesson 6 · Speeding up or slowing down?

Make the car speed up

This velocity–time line starts at +2 m/s. Drag the end value so the car speeds up. When it does, a second arrow appears on the car — compare it with the velocity arrow.

0246810mv = +2 m/s
V–TVelocity–time
012345−10−8−6−4−20246810Time (s)Velocity (m/s)Δt = 5 sΔv = 0 m/st = 0 s, v = 2 m/s
Gradient
(2 − 2) ÷ 5 = 0 m/s²

Watch what the car does as you change the line.

Goal: the car speeds up while moving forward.