Rocket exhaust is.

Weighs 3 733 000 kilograms (8 230 000 pounds) GROSS WEIGHT OF BOTH BOOSTERS AT LIFT-OFF 1179 340 kilograms (2 600 000 pounds) Weight with Shuttle wet: 5 761 000 kilograms (1 million pounds) Speed: Unioaded 3.2 km/hr (2 mph) Loaded 1.6 km/hr (1 mph) LAUNCH PAD AREA 67 hectares (165 acres) CE 6. MISSION OPERATIONS AND CHECKOUT РАСІШТҮ...................... 6-23 LAUNCH EQUIPMENT TEST.