<p><img alt="Let r(t) = (3t, 4 sint, 4008 (a) Find v(t) and |v(t)1. (b) Find T t) (c) Find N(t). (d) Find (t) t), 12 0." src="https://media.cheggcdn.com/media%2F8ff%2F8ff47de1-15f8-4457-94a7-e7eb5340de94%2FphpoRtjqH.png" style="height:314px;width:678px;" aria-describedby="d3f"/></p>Let r(t)