Ok, the export is fine. You have 4 frames, including frame 0. Frame zero seems like a stop frame, nothing is happening, so i extracted frames 1 to 3. Seems to work fine. You need to turn the speed down. See my code for what i mean :o)
www.rosscrooks.pwp.blueyonder.co.uk/code.zip
www.rosscrooks.pwp.blueyonder.co.uk/code.zip