[MSFS24] Struggling to climb to the OPT FL given by the FMS

[ApocalypsePlease0]

I initiated a step climb to the OPT FL as initiated on the FMS, from FL380 to FL400, and it took the plane about 10 minutes to climb to it. It was also climbing at M0.81 instead M0.84 given by the FMS.

OTHHEKCH_PDF_1741611056.pdf