I don't know of any special brushes, but you can draw some speedlines using a basic hard edged brush, or use the motion blur filter on select parts of your image.
You could use some kind of irregular star shapes for the impact points.
For this you can use any of Photoshops star shapes and change it to your linking by moving the points of the path. 

Yesterday's the past, tomorrow's the future, but today is a gift. That's why it's called the present.