[填空题]
A car can decelerate 1gksc,ra: 1u qcuh (1sg3y +yjat gwox;s6eip p96..sj m -4.80 $\mathrm{~m} / \mathrm{s}^{2}$ without skidding when coming to rest on a level road. What would its deceleration be if the road were inclined at 13$^{\circ} $ uphill? Assume the same static friction coefficient.