CAPT OF A CPR JET INFORMED ARTCC CTLR THAT HE WOULD NOT BE ABLE TO MAKE XING RESTR DURING STAR APCH DUE TO THE HIGH RATE OF DSCNT REQUIRED TO MAKE THE RESTR. THE CTLR WAS UNHAPPY WITH THE RPTR AND GAVE ANOTHER RESTR THAT REQUIRED EVEN A HIGHER RATE.

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WE WERE ON THE STAR TO MORRISTOWN; NJ. WASHINGTON APCH WAS VERY BUSY AND I ASKED TO START DOWN AS MY INSTS WERE ALREADY INDICATING 2000 FPM DSCNT. CTR STARTED US DOWN THEN GAVE US OVER TO ANOTHER APCH CTL FREQ. THIS APCH CTLR WAS VERY BUSY AND IN A BAD MOOD. HE GAVE US A DSCNT ON THE STAR; WHICH WOULD REQUIRE 270 KTS AND 4000 FPM. I TOLD HIM I WOULD NOT BE ABLE TO MAKE MY XING RESTR. I WAS DOING 3500 FPM; WHICH WAS ALL I COULD DO AND MAINTAIN 270 KTS. HE THEN GAVE ME ANOTHER XING RESTR OF 270 KTS TO CROSS AND THIS WOULD HAVE REQUIRED 5500 FPM. I TOLD HIM I WOULD NOT BE ABLE TO MAKE THIS XING RESTR. HE SAID I HAD NOT BEEN ABLE TO MAKE A XING RESTR ALL NIGHT. I EXPLAINED I COULD NOT DO 5500 FPM AND 270 KTS. MY PLANE CANNOT DO THAT MANY FT PER MIN AND MAINTAIN AN AIRSPD OR PAX COMFORT. I FEEL THE CTLR WAS WAY BEHIND IN HIS DUTIES. HE SHOULD HAVE STARTED US ON THE DSCNT MUCH SOONER ALLOWING US TO BE ABLE TO GET DOWN AT A CERTAIN AIRSPD. 4000-5500 FT I FEEL IS UNACCEPTABLE UNLESS THERE IS AN EMER.