Let me know if this is what you are looking for:
$(function () {
$('#slideshow').cycle({
fx: 'none',
timeout: 1,
continuation: 1,
speed: 'fast'
});
$('#example').click(function (e) {
e.preventDefault();
$('#slideshow').unbind();
$('#slideshow').cycle({
fx: 'none',
timeout: 1,
continuation: 1,
speed: 'slow'
});
});
});