The 'Quick-Return 2' motion-law is Not available in the Motion-Law Selector.
The 'Quick-Return-2' motion-law is a Rise & Return motion-law that is continuous in Position, Velocity and Acceleration.
Construct the 'Quick-Return 1' motion with two Flexible Polynomial Segments.
The first segment is the 'Rise', and the second the 'Return'. Each segment is a 'mirror' of each other.
Usually, the segments have an equal duration, but this is not necessary.
Continuity at the Mid-Point Blend-Point
At the mid-point, the Position is maximum [in the image, max P=1], and the Velocity is zero.
The Rise segment [below, in Blue] ends with a finite, negative acceleration.
The Return segment [below, in Red] starts with the same finite, negative acceleration. Thus, there is acceleration continuity when the segments follow each-other.
The Jerk is continuous and zero at the mid-point. [The Jerk is un-specified and not zero at its start an end].
The position graph makes a quick-return at the mid-point because there is a large negative, but continuous, negative acceleration at the mid-point.
Two Segment 'Quick-Return Motion 1'
Rise Only Segment