Filter>Blur>Motion blur

Blending mode-Linear Light

Create a new layer, selecting on it the usual Brush Tool (B) with blurred edges, Opacity of 30% to represent a kind of ball’s invisible tail, colored with #BF060E

Create another new layer (Create new layer) and try to picture many white circles, that may be created with the same standard brush with blurred edges, Brush Tool (B).

Using the Pen Tool (P), it’s possible to make a fillet of white color.

Try to make two more fillets, applying the same method.

Apply for each layer containing the fillets the same parameters: Blending Options>Outer Glow

We need to combine in a group now all the layers containing those three white fillets (press Ctrl button to mark out the corresponding layers and hold on the left mouse’s button while moving the marked layers on Create a new group selection). Apply for the new group the next parameters: Opacity 66%, Blending mode-Linear Dodge

Create a new layer. Use on it the Brush Tool (B), Opacity of 10% to represent the fillets’ highlights.

Make a copy of the last made layer:

Next we’ll select the Ellipse Tool (U) and the color #7CE87E to give to the picture a basic nuance.

The layer’s parameters: Fill 30%
Blending mode-Color Dodge

Finished!

View full size here.