Three Decimal Places

Multiple Choice

$\text { Find } a _ { \mathbf { T } } \text { at time } t = 0 \text { for the plane curve } \mathbf { r } ( t ) = e ^ { 2 t } \mathbf { i } + e ^ { - 7 t } \mathbf { j } \text {. Round your answer to }$ three decimal places.

A) -40.625
B) -39.209
C) -111.667
D) -46.016
E) -43.988