Driving Strategist using Accelerometer and Arduino

Can anyone help or suggest about programming for our project. We do not know how to start. Our project entitle driving strategist. The project will aid the driver. The project compose of our main input is the Accelerometer, Arduino controller, and the LED for display.

Red Led = slow down
Green Led = go

Thank you very much

Is this a golf driver?
How do you know how long the drive is to be?
How are you going to measure the swing?