A spider spins a web with silk threads of density \(1300 \mathrm{~kg} / \mathrm{m}^{3}\) and diameter \(3.0 \mu \mathrm{m}\). A typical tension in the radial threads of such a web is \(7.0 \mathrm{mN}\). Suppose a fly hits this web. Which will reach the spider first: the very slight sound of the impact or the disturbance traveling along the radial thread of the web?