In vector form, we have,
v⃗ = r⃗ x ω⃗
Now, r⃗ = -4 î - 5 ĵ + 5 k̂
So, we have,
v⃗ = (-4 î - 5 ĵ + 5 k̂) x (-î + k̂) = [(-4)*(-1)] î + [(-5)*(0)] ĵ + [(5)*(1)] k̂
=> v⃗ = [4 î + 0 ĵ + 5 k̂] m/s
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