This provides some performance information:
https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/5628ecd03661764f8625850a00651dd7/%24FILE/T00015WI_Rev4.pdf
I would ask the people doing the videos where they got their power tables from. Or search for the Citation Longitude POH or AFM on the google machine. Though apparently it's hard to find.