Still, it has many easily accessible tools that make drawing a breeze, including selection, gradient, rectangle, circle, freehand path, symmetry, and Bézier curve tools. They're also customizable ...

The gradient or the steepness of the graph can ... From 10 to 20 seconds this is the area of the rectangle, 10 s × 40 m/s = 400 m. From 20 to 30 seconds this is the area of the rectangle and ...