Header Slider Loads Awkwardly

My site at www.mccinternalmedicine.org has a video slider but when it loads, at least on my Mac, it loads awkwardly - with the photo loading first for a brief second and then it finally goes to the video - can you please let me know what to do to eliminate that? Thanks.

It appears i was due to the photo I had placed in the video slider options to have an image instead of the video display on touch devices. So I took that image off but like having that option - any ideas? Thanks.

Hello there,

That’s normal. Because video size is heavier and it takes several time to play the video.