In the Greg Norman Course Designer you are able to change the green speed for your course. This video demonstrates how to change the setting and the impact of the change.
I know it has been common place for many years now in others genres of video gaming (particularly on PC), but I'm loving everything about this game for the sports genre. This open source , community led, gaming experience is a breath of fresh air and I will be getting a copy of this game, without question, at the very least to support that cause. Looking forward to see all the community generated content, it's sure to be amazing !!