FOLLOWING A SHORT PREFLT NOTIFICATION; THE HURRIED CREW FAILED TO REMOVE THE PITOT TUBE COVERS. SUBSEQUENTLY NO TKOF AIRSPD INDICATION RESULTED IN A HIGH SPD REJECT AND A STOP IN THE OVERRUN.

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I WAS PAGED TO CALL DISPATCH. WHEN I CALLED; I WAS NOTIFIED THAT I HAD A TRIP TO BROWN FIELD IN SAN DIEGO; CA (SDM). WHEN I STARTED OUT; I CALLED AND ASKED IF HE WAS ALREADY AT THE ARPT. HE TOLD ME THAT HE DID NOT KNOW THAT HE HAD A TRIP. I TOLD HIM THAT DISPATCH FORGOT TO PAGE HIM AND TO MEET ME AT THE ARPT AS SOON AS HE COULD. ONCE AT THE ARPT; I STARTED TO HELP SINCE HE HAD NOT ARRIVED; BY PREPARING THE COCKPIT. I GOT ATIS INFO. I PICKED UP THE CLRNC AND GOT THE SPDS AND EPR SETTINGS. WHILE I WAS PROGRAMMING THE GPS AND SETTING UP OUR DEP; THE FO SHOWED UP. I TOLD HIM THAT WE STILL HAD A FEW MINS TO GET OUR RESPONSE; AND IF WE TOOK RWY 8R WE COULD STILL MAKE IT. THE FO PROCEEDED TO PUT HIS BAGS IN THE AIRPLANE AND DO HIS OUTSIDE PREFLT. HE JUMPED IN THE AIRPLANE AND SAID HE WAS READY. I TOLD HIM THAT EVERYTHING IN THE COCKPIT WAS DONE AND WE STARTED THE ENGS. WE TAXIED TO RWY 8R AND DID OUR BEFORE TKOF CHKLIST. WE HELD SHORT FOR 2 DEPS AND TOOK THE RWY. HE WROTE DOWN THE TIME; COMPLETED THE RWY ITEMS AND WE BEGAN THE TKOF. I PROCEEDED TO ADD PWR TO THE SET EPR; WE BEGAN ROLLING AND I CONCENTRATED ON THE CTRLINE AND WAITED FOR THE TKOF RUN CALLOUTS. AFTER I REALIZED THAT HE WAS NOT MAKING HIS CALLS; I LOOKED OVER AND FOUND HIM POINTING TO HIS AIRSPD INDICATOR. I LOOKED AT IT AND IT READ ZERO. I LOOKED AT MINE AND REALIZED THAT MINE ALSO READ ZERO. I HAD NO IDEA HOW FAST WE WERE GOING AND COULD NOT TELL IF WE WERE ABOVE V1. I CHOPPED THE PWR AND APPLIED THE BRAKES; AND THIS IS WHEN I FOUND OUT HOW FAST WE REALLY WERE. I REALIZED THAT THE FO WAS NOT MAKING ANY CALLS TO THE TWR AND I PROCEEDED TO MAKE THE ABORTED TKOF RADIO CALL. THE AIRPLANE CAME TO A STOP ON THE OVERRUN FOR RWY 8R. THE SIDE OF THE OVERRUN LOOKED THE SAME AS THE OVERRUN; IT WAS COVERED IN PEBBLES. WE FOUND OUT THAT THIS WAS NOT THE CASE WHEN THE AIRPLANE SANK AS I TURNED THE AIRPLANE AROUND. WHEN WE EXITED THE AIRPLANE THE PITOT TUBE COVERS WERE STILL ON. FBO PULLED THE AIRPLANE OUT. THERE WAS NO DAMAGE TO THE ACFT AND NOBODY WAS INJURED. DOING A WALKAROUND ON THE AIRPLANE; AFTER THE COPLT HAD FINISHED HIS PREFLT WOULD HAVE AVOIDED THIS INCIDENT. P.S. WE HAVE 1 HR TO TAKE OFF AFTER WE ARE NOTIFIED OF A TRIP.