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My Solution: Et = Ep + Ek

Ep = Mg delta H

Ek = 1/2 (m) V^2

thus Et = Mg(H) + 1/2 (m) v^2

(1500)(9.8)(325000) + 1/2(1500) (5000)^2

= 4.78x10^9 + 1.875x10^10

=2.353x10^10 j or 2.353x10^7 Kj

Is there a mistake in my calculations or has this question been done correctly?