Indeed this speed is very fast, and there is a small time delay between you flicking the switch and the light bulb beginning to glow (part of this is the time for the electricity to flow along the wires, and part is the time takn for the light bulb filament to heat up.)
(this speed; is; very fast) (part; is; the time takn for the light bulb filament to heat up) (a small time delay between you; flicking; the switch and the light bulb) (the light bulb filament; to heat up; ) (the electricity; to flow; along the wires)
this speed part a small time delay between you the light bulb filament the electricity
is is flicking to heat up to flow
very fast
the time takn for the light bulb filament to heat up
the switch and the light bulb
along the wires