Given a particle is moving in a curve r(t) = cos 7t i + sin 7t j + 6t k. Find the tangential component of its acceleration correct to two decimal places, at t = 9. Given a particle is moving in a curve r(t) = cos 7t i + sin 7t j + 6t k. Find the normal component of its acceleration correct to two decimal places, at t = 9.

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