Intercom speaking very fast sometime

I created a shortcut which has intercom task saying "Please pray to god before going to school" and automation at particular time to run this shortcut, this was working well when I was on iOS 17 but on iOS 18 the intercom sometimes speak very fast and sometimes as normal, I deleted the shortcut and created new one but still no luck, I have around 7-8 shortcuts of same type its happing for all shortcuts, can some one help here its very announing now.