This article applies to Studio 14 & 15.
If you have a mouse with a scroll wheel, moving the wheel will move the scrubber forward or backward through the project. In Studio 14 however, the scrubber proceeds though each frame individually meaning that the scroll wheel will move through the project rather slowly. You can speed this up by pressing the Shift key on your keyboard while scrolling through the project. With the Shift key selected, the scrubber will skip ahead in 2 second intervals, so you can scroll through a project quickly. This is an improvement from previous versions of Studio in which the scrubber only had the option to move in 2 second intervals when using the scroll wheel on the mouse.