3rd-Belmont, $78,300, Msw, 6-10, 2yo, f, 5 1/2f, 1:06.47, ft, 9 3/4 lengths. VELVET SISTER (f, 2, Bernardini--Backslash, by Sharp Humor), bought for $500,000 after breezing a :10 1/5 furlong at Fasig-Tipton Gulfstream, debuted a sharp maiden winner Thursday at Belmont for Stonestreet Stables and Steve Asmussen. Showing a quartet of half-mile works at Keeneland, highlighted by a :47 2/5 (5/99) spin from the gate May 8, and a pair of maintenance spins over the local training track, the New York-bred was made a distant 12-5 second choice in a three-horse...