Find the acceleration of a particle with the following position function. $\mathbf { r } ( t ) = \left\{ 2 t ^ { 2 } - 2,4 t \right\}$
A) $\mathbf { a } ( t ) = 4 \mathbf { i }$
B) $\mathbf { a } ( t ) = 2 t \mathbf { i } + 2 \mathbf { j }$
C) $\mathbf { a } ( t ) = ( 2 + 4 t ) \mathbf { i } - 2 \mathbf { j }$
D) $\mathbf { a } ( t ) = 2 \mathbf { i } - \mathbf { j }$
E) $$\mathbf { a } ( t ) = 4 t \mathbf { i } + 2 \mathbf { j }$$

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The Answer of Find the acceleration of a particle with the following position function. $\mathbf { r } ( t ) = \left\{ 2 t ^ { 2 } - 2,4 t \right\}$
A) $\mathbf { a } ( t ) = 4 \mathbf { i }$
B) $\mathbf { a } ( t ) = 2 t \mathbf { i } + 2 \mathbf { j }$
C) $\mathbf { a } ( t ) = ( 2 + 4 t ) \mathbf { i } - 2 \mathbf { j }$
D) $\mathbf { a } ( t ) = 2 \mathbf { i } - \mathbf { j }$
E) $$\mathbf { a } ( t ) = 4 t \mathbf { i } + 2 \mathbf { j }$$

Find the Acceleration of a Particle with the Following Position r(t)={2t2−2,4t}\mathbf { r } ( t ) = \left\{ 2 t ^ { 2 } - 2,4 t \right\}r(t)={2t2−2,4t}

Find the Acceleration of a Particle with the Following Position $\mathbf { r } ( t ) = \left\{ 2 t ^ { 2 } - 2,4 t \right\}$