Thank you again for sharing your feedback.
We will address this issue as soon as we can.
Regarding the Carousel speed - You can increase the speed of the carousel by removing the carousel background (if any), decreasing the number of the visible items or decreasing the size of the carousel items. The Carousel control currently animates only these properties of the Carousel items: Location, Opacity and Scale.
We will add the two API properties in the next release: AnimationFrames and AnimationDelay. Note that you can access the AnimationFrames in your version using the this.radCarousel1.CarouselElement.ItemsContainer.AnimationFrames property.
Let me know if you have any further questions.
All the best,
the Telerik team