Click on the add button and it should show like a camera and you can chose it out of your camera roll
The answer would be y=-13x+7
hope this helps ;]
42 km/h is equal to 0.00724933 m/s
You get this by dividing the km/h speed value by 1.609 to get it to m/h, then divide that by 60, then by 60 again to get it to m/s.
