(Solved): (11\%) Problem 4: A detailed graph of acceleration versus time is shown. (1) 20\% Part (a) What is ...

(11\%) Problem 4: A detailed graph of acceleration versus time is shown. (1) 20\% Part (a) What is the instantaneous acceleration at time \( 10.5 \mathrm{~s} \) ? (11\%) Problem 4: A detailed graph of acceleration versus time is shown. select part (11\%) Problem 4: A detailed graph of acceleration versus time is shown. select part (1) 20\% Part (a) What is the instantaneous acceleration at time \( 10.5 \mathrm{~s} \) ? (A) 20\% Part (b) What is the change in velocity during the time interval from \( 2.25 \mathrm{~s} \) to \( 4.25 \mathrm{~s} \) ? (1) 20\% Part (c) What is the change in velocity during the time interval from \( 4.25 \mathrm{~s} \) to \( 10.5 \mathrm{~s} \) ? (11\%) Problem 4: A detailed graph of acceleration versus time is shown. A \( 20 \% \) Part (a) What is the instantaneous acceleration at time \( 10.5 \mathrm{~s} \) ? A 20\% Part (b) What is the change in velocity during the time interval from \( 2.25 \mathrm{~s} \) to \( 4.25 \mathrm{~s} \) ? A \( 20 \% \) Part (c) What is the change in velocity during the time interval from \( 4.25 \mathrm{~s} \) to \( 10.5 \mathrm{~s} \) ? (11\%) Problem 4: A detailed graph of acceleration versus time is shown. A \( 20 \% \) Part (a) What is the instantaneous acceleration at time \( 10.5 \mathrm{~s} \) ? (1) 20\% Part (b) What is the change in velocity during the time interval from \( 2.25 \mathrm{~s} \) to \( 4.25 \mathrm{~s} \) ? (1) 20\% Part (c) What is the change in velocity during the time interval from \( 4.25 \mathrm{~s} \) to \( 10.5 \mathrm{~s} \) ? (1) \( 20 \% \) Part (d) If the initial velocity is \( -19 \mathrm{~m} / \mathrm{s} \), then what is the velocity at time \( 17.75 \mathrm{~s} \) ?