CASpringAnimation Gist

let vw = UIView(frame: CGRect(x: 0, y: 0, width: 50, height: 50))
        
        vw.backgroundColor = UIColor.red
        self.view.addSubview(vw)
        vw.center = self.view.center
        
        // Your code with delay
        let spring = CASpringAnimation(keyPath: "position.y")
        spring.toValue = vw.center.y - 200
        spring.damping = 10.0
        spring.initialVelocity = 8.0
        spring.duration = spring.settlingDuration
        spring.beginTime = CACurrentMediaTime() + 5.0
        CATransaction.begin()
        CATransaction.setCompletionBlock {
            vw.layer.position.y = vw.center.y - 200
        }
        vw.layer.add(spring, forKey: nil)
        
        CATransaction.commit()