Your first intuition was right:
$('red').set('tween', {
duration: 500,
transition: Fx.Transitions.Cubic.easeIn
});
$('green').set('tween', {
duration: 500,
transition: Fx.Transitions.Cubic.easeOut
});
$('red').get('tween').start('left', 200).chain(function() {
$('green').get('tween').start('opacity', 0);
});
