Audio rate: 44100;

Ellipse ellipse(200 Hz, 400 Hz, 20 secs);

Init:
    ellipse.lockPerimeter();
    ...

Score 5 secs:
    At 0 secs for 0.5 msecs:
        ellipse(0.15,0.5).applyForce(linear(30,0));
	...
    ...    